APA (7th ed.) Citation

Shephard, R. J. (1987). Physical activity and aging (2nd ed.). Aspen Publishers.

Chicago Style (17th ed.) Citation

Shephard, Roy J. Physical Activity and Aging. 2nd ed. Rockville, Md.: Aspen Publishers, 1987.

MLA (9th ed.) Citation

Shephard, Roy J. Physical Activity and Aging. 2nd ed. Aspen Publishers, 1987.